One of the Gaza-bound vessels carrying aid and pro-Palestinian activists including Greta Thunberg was struck by a drone, the flotilla organisers have claimed.

Tunisia’s national guard said their investigation was ongoing, but “no drones have been detected”. “According to preliminary findings, a fire broke out in the life jackets on board a ship anchored 50 miles from the port of Sidi Bou Said, Houcem Eddine Jebabli, a spokesperson for the national guard, was quoted by AFP news agency as saying.